Put new functionality in to allow choosing existing folder in move code - it goes back and forwards 7 days from the date of this file and finds matching files and uses those dirs, or just dirname matches for those dates and offers them up. Also improved Move code to reject dodgy paths

files.py

@@ -1,6 +1,6 @@
 from wtforms import SubmitField, StringField, HiddenField, validators, Form
 from flask_wtf import FlaskForm
-from flask import request, render_template, redirect, send_from_directory, url_for
+from flask import request, render_template, redirect, send_from_directory, url_for, jsonify
 from path import MovePathDetails
 from main import db, app, ma 
 from sqlalchemy import Sequence
@@ -18,6 +18,7 @@ import cv2
 import time
 import re
 import json
+import datetime
 from flask_login import login_required, current_user
 from options import Options
 
@@ -615,3 +616,42 @@ def _jinja2_filter_toplevelfolderof(path, cwd):
 @app.template_filter('ParentPath')
 def _jinja2_filter_parentpath(path):
     return os.path.dirname(path)
+
+###############################################################################
+# route to allow the Move Dialog Box to pass a date (YYYYMMDD) and returns a 
+# json? list of existing dir names that could be near it in time.   Starting
+# simple, by using YYYYMM-1, YYYYMM, YYYYMM+1 dirs
+###############################################################################
+@app.route("/getexistingpaths/<dt>", methods=["POST"])
+@login_required
+def GetExistingPathsAsDiv(dt):
+    dir_ft=FileType.query.filter(FileType.name=='Directory').first()
+    dirs_arr=[]
+    for delta in range(-7, 8):
+        new_dtime=datetime.datetime.strptime(dt, "%Y%m%d") + datetime.timedelta(days=delta)
+        new_dt=new_dtime.strftime('%Y%m%d')
+        dirs_arr+=Dir.query.distinct(Dir.rel_path).filter(Dir.rel_path.ilike('%'+new_dt+'%')).all();
+        dirs_arr+=Dir.query.distinct(Dir.rel_path).join(EntryDirLink).join(Entry).filter(Entry.type_id!=dir_ft.id).filter(Entry.name.ilike('%'+new_dt+'%')).all()
+
+    # remove duplicates from array
+    dirs = set(dirs_arr)
+
+    # turn DB output into json and return it to the f/e
+    ret='[ '
+    first_dir=1
+    for dir in dirs:
+        print( f"process dir matching for {new_dt} => {dir}")
+        if not first_dir:
+            ret +=", "
+        bits=dir.rel_path.split('-')
+
+        ret+= '{ '
+        ret+= '"prefix":"' + bits[0] + '", '
+        if len(bits)>1:
+            ret+= '"suffix":"' + bits[1] + '"'
+        else:
+            ret+= '"suffix":"''"'
+        ret+= ' } '
+        first_dir=0
+    ret+= ' ]'
+    return ret